51619086 has 32 divisors (see below), whose sum is σ = 120748800. Its totient is φ = 16300440.

The previous prime is 51619081. The next prime is 51619121. The reversal of 51619086 is 68091615.

It is a self number, because there is not a number n which added to its sum of digits gives 51619086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51619081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24130 + ... + 26181.

It is an arithmetic number, because the mean of its divisors is an integer number (3773400).

Almost surely, 2^51619086 is an apocalyptic number.

51619086 is an abundant number, since it is smaller than the sum of its proper divisors (69129714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51619086 is a wasteful number, since it uses less digits than its factorization.

51619086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50341 (or 50335 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 51619086 is about 7184.6423710579. The cubic root of 51619086 is about 372.3374928882.

The spelling of 51619086 in words is "fifty-one million, six hundred nineteen thousand, eighty-six".